All setup for storylines about Winterfell, KL, Iron Born and Danny's baby

Episode 3
Army of the Dead attack Winterfell
Viserion and Drogon kill one another
Rhaegal survives
Sansa Dies
NK Shatters Longclaw
Melisandre fights the dead off
The Dead retreat and advance south
Cersei Miscarries

Episode 4
Theon kills Euron and Rescues Yara
Bran has a vision, the weapon they need is beyond the wall
Jon, Dany, Brienne, Jorah, Sam, Tormund and Gendry go to the birthplace of NK from S6E5
There they find the artifact they need
Tyrion plots against Jon and Dany
Jaime hates the plan but goes along with it

Episode 5
Tyrion betrays Jon and Dany
GC sack and burn winterfell
Tyrion takes Dany hostage
Time jump a few weeks
Theon and Yara arrive at Winterfell
Theon takes the survivors to Dragonstone
Army of the Dead attack KL
Golden Company vs Army of the Dead
Tyrion sets off portion of wildfire but it backfires
Nobles are held up in the red keep
While the common folks die and are turned into wights
Gendry forges the artifact recovered from beyond the wall
Gendry uses Melisandre's fire to forge light bringer

Episode 6
Arya, The Hound and Brienne enter the red keep dungeons
Jon enters KL on Rhaegal
Jon kills NK
Brienne rescues Dany
The Hound wins Cleganebowl
Arya kills Jaime and Cersei
Tyrion tries to pay Bronn to help him escape
But Bronn turns Tyrion over to Jon
Jon beheads Tyrion at the ruins of the great sept
Rhaegal burns the red keep
KL is destroyed
Winterfell gets rebuilt Again
Jon and Dany have a son
The End